31041430 has 32 divisors (see below), whose sum is σ = 64074816. Its totient is φ = 10606464.

The previous prime is 31041427. The next prime is 31041431. The reversal of 31041430 is 3414013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27232 + ... + 28348.

It is an arithmetic number, because the mean of its divisors is an integer number (2002338).

Almost surely, 2^31041430 is an apocalyptic number.

31041430 is an abundant number, since it is smaller than the sum of its proper divisors (33033386).

31041430 is a wasteful number, since it uses less digits than its factorization.

31041430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31041430 is about 5571.4836444164. The cubic root of 31041430 is about 314.2779463842.

Adding to 31041430 its reverse (3414013), we get a palindrome (34455443).

The spelling of 31041430 in words is "thirty-one million, forty-one thousand, four hundred thirty".